Where does “spy-fi” come from?

spy-fi (English) comes from English sci-fi, from English science fiction, from English fiction, from Middle English ficcioun, from Old French ficcion, from Latin fictio, from Latin -tiō, from Latin dissertātiō — small stone, pebble; gravel, rubble.

spy-fi (English): A genre of science fiction involving secret...

Definitions

  1. A genre of science fiction involving secret...

Ancestry of “spy-fi”, step by step

spy-fi traces back through two separate lines of ancestry.

via English sci-fi

StepLanguageWordMeaning
1Englishsci-fiClipping of science fiction
2Englishscience fictionFiction in which advanced technology or science...
3EnglishfictionLiterary type using invented or imaginative...
4Middle EnglishficciounAn invention or fabrication
5Old Frenchficciondissimulation, ruse, invention
6Latinfictiofashioning, forming, formation; fiction
7Latin-tiōtion, -ation, -ing
8Latindissertātiō(spoken) dissertation, discourse, disquisition
9Latindissertusarranged, disposed; explained
10Latindissereresecond-person singular future passive indicative...
11Latindis-asunder, apart, in two; reversal, removal;...
12Latincalceusshoe
13Latincalxlimestone; chalk; the finish line
14Ancient Greekχάλιξsmall stone, pebble; gravel, rubble

via English spy

StepLanguageWordMeaning
1EnglishspyA person who secretly watches and examines the...
2English-ingUsed to form gerunds, a type of verbal nouns,...
3Old English-ingForming nouns from verbs, indicating action,...
4Old English-tūnhomestead, village, town
5Old Englishtūnenclosure, yard; place; dwelling
6Proto-West Germanictūnfence
7Proto-Germanictūnąfence; enclosure
8Gaulishdunumfort; hill, hillfort
9Proto-Celticdūnomstronghold, rampart
10Proto-Indo-Europeandʰewh₂-smoke; mist, haze
Every word from Ancient Greek χάλιξEvery word from Latin -tiōEvery word from Latin dis-